Eraser



FIG. 1 is a perspective view showing our new design for eraser;

FIG. 2 is a front view of the eraser of FIG. 1; the rear view being a mirror image thereof;

FIG. 3 is a side view of the eraser of FIG. 1; the opposite side view being a mirror image thereof;

FIG. 4 is a top plan view of the eraser of FIG. 1; and,

FIG. 5 is a bottom plan view of the eraser of FIG. 1.

The dashed lines represent environmental matter and form no part of the claimed design. 

The ornamental design for a eraser, as shown and described. 